The bomb scare is a huge reason most shows took a (big) dip for the week. Since it happened on a Saturday night, most shows played to around 50% as many people reported being able to move their seats to the orchestra. Several people reported some theaters being near empty, also. For a Saturday night, that hurts, but I believe all shows offered a refund and/or exchange.
A Chorus Line revival played its final Broadway performance on August 17, 2008. The tour played its final performance on August 21, 2011. A new non-equity tour started in October 2012 played its final performance on March 23, 2013. Another non-equity tour launched on January 20, 2018. The tour ended its US run in Kansas City and then toured throughout Japan August & September 2018.